From 5fd03e75f35b35ea66826cfab569ed85390b124d Mon Sep 17 00:00:00 2001
From: Vlad Pronsky <v.pronsky@gmail.com>
Date: Thu, 1 Jun 2023 19:33:03 +0300
Subject: [PATCH] add fraqOrNull helper

---
 src/main.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main.ts b/src/main.ts
index 5fbd95e..0f932fd 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -127,6 +127,14 @@ export const fraq = (val: Fraq): Fraction => {
   throw new Error("ValueError")
 }
 
+export const fraqOrNull = (val: Fraq): Fraction | null => {
+  try {
+    return fraq(val)
+  } catch (e) {
+    return null
+  }
+}
+
 export class Fraction {
   public _n: number
   public _d: number